Math can be abstract.Logical formLearned from6 sentences. The world can be abstract.Logical formLearned from6 sentences. A lingo can be abstract.Logical formLearned from6 sentences. An abstract painting can be vivid.Logical formLearned from6 sentences. A yardstick can be abstract.Logical formLearned from6 sentences. A patriotism can be abstract.Logical formLearned from6 sentences. Benefits of freedom can be abstract.Logical formLearned from6 sentences. A gallery can be abstract.Logical formLearned from6 sentences. Figures can be abstract.Logical formLearned from6 sentences. Essays can be abstract.Logical formLearned from6 sentences. A currency can be abstract.Logical formLearned from6 sentences. Learners can be abstract.Logical formLearned from6 sentences. (Angora lines) can be abstract.Logical formLearned from6 sentences. A maze can be abstract.Logical formLearned from6 sentences. Painting can be abstract.Logical formLearned from6 sentences.